Note J - Income Taxes (Details) (USD $)	6 Months Ended
	Sep. 28, 2014	Sep. 29, 2013
Note J - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Percent	40.80%	39.40%
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent	0.40%	0.70%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate (in Dollars)	$ 307,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense (in Dollars)	346,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit (in Dollars)	$ (64,000)
Estimated Annual Tax Rate, Lower End of Range	39.50%
Estimated Annual Tax Rate, Upper End of Range	41.50%
Scenario, Forecast [Member]
Note J - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%